20211886497

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{42643}}^1$

素因数の和:42981

約数の個数: 32

約数和(自身を含む): 30065043456

約数和(自身を除く): 9853156959

約数列:

[1, 3, 11, 33, 53, 159, 271, 583, 813, 1749, 2981, 8943, 14363, 42643, 43089, 127929, 157993, 469073, 473979, 1407219, 2260079, 6780237, 11556253, 24860869, 34668759, 74582607, 127118783, 381356349, 612481409, 1837444227, 6737295499, 20211886497]

約数ペア:

[(1, 20211886497), (3, 6737295499), (11, 1837444227), (33, 612481409), (53, 381356349), (159, 127118783), (271, 74582607), (583, 34668759), (813, 24860869), (1749, 11556253), (2981, 6780237), (8943, 2260079), (14363, 1407219), (42643, 473979), (43089, 469073), (127929, 157993)]